SO

Seiichiro Oku

FU Fujifilm: 13 patents #684 of 4,519Top 20%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
Overall (All Time): #325,297 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8220891 Liquid droplet jetting head and liquid droplet jetting apparatus 2012-07-17
7869654 Electric paper reading system Yoshiro Yamazaki, Setsuji Tatsumi, Kanji Nagashima, Toshiya Kojima, Kenichi Kodama +2 more 2011-01-11
7845788 Image forming apparatus and method 2010-12-07
7712861 Image forming apparatus and droplet ejection correction method 2010-05-11
7651202 Liquid ejection head and image forming apparatus Yasuhiko Kachi, Toshiya Kojima 2010-01-26
7636995 Method of manufacturing a liquid ejection head 2009-12-29
7618129 Liquid ejection head and image forming apparatus comprising same Kenichi Kodama, Toshiya Kojima, Kazuo Sanada, Tsuyoshi Mita, Kanji Nagashima 2009-11-17
7540580 Liquid ejection head and ejection abnormality determination method 2009-06-02
7499201 Image reading apparatus, method of reading image, and image reading system Kenichi Kodama, Setsuji Tatsumi, Kanji Nagashima, Yoshiro Yamazaki, Toshiya Kojima +2 more 2009-03-03
7495633 Image display apparatus, image display system, image data writing method, thin display file, and data communication method for thin display file Setsuji Tatsumi, Kanji Nagashima, Yoshiro Yamazaki, Toshiya Kojima, Kenichi Kodama +2 more 2009-02-24
7492945 Electronic paper reading system Yoshiro Yamazaki, Setsuji Tatsumi, Kanji Nagashima, Toshiya Kojima, Kenichi Kodama +2 more 2009-02-17
7475960 Liquid ejection apparatus and ejection abnormality determination method 2009-01-13
7416268 Drive circuit of piezoelectric element, driving method thereof, liquid ejection apparatus and image forming apparatus 2008-08-26
5568284 Image recording apparatus Masahiro Kubo, Setsuji Tatsumi 1996-10-22
5489996 Image recording apparatus Masahiro Kubo, Setsuji Tatsumi 1996-02-06